NickelMaghrebV1, Main, Exploration, bibRecord, 000B64

Assessment of metal accumulation in plants using MetPAD, a toxicity test specific for heavy metal toxicity

Identifieur interne : 000B64 ( Main/Exploration ); précédent : 000B63; suivant : 000B65

Assessment of metal accumulation in plants using MetPAD, a toxicity test specific for heavy metal toxicity

Auteurs : Ali Boularbah [Maroc] ; Gabriel Bitton [États-Unis] ; Jean Louis Morel [France] ; Christophe Schwartz [France]

Source :

Environmental Toxicology [ 1520-4081 ] ; 2000.

RBID : ISTEX:01483595356FDE875C59C2FA066EE99E3010FC24

Descripteurs français

Pascal (Inist)
- Accumulation biologique, Albanie, Bioremédiation, Comparaison interspécifique, Ecotoxicologie, France, Hyperaccumulation, Maroc, MetPAD, Métal lourd, Nickel, Plante, Relation sol plante, Test toxicité, Toxicité, Zinc.
Wicri :
- geographic : Albanie, France, Maroc.
- topic : Métal lourd, Nickel, Zinc.

English descriptors

KwdEn :
- Albania, Biological accumulation, Bioremediation, Ecotoxicology, France, Heavy metal, Interspecific comparison, MetPAD, Morocco, Nickel, Plant, Soil plant relation, Toxicity, Toxicity test, Zinc, heavy metal toxicity, hyperaccumulating plants, phytoremediation.

Abstract

Heavy metal contamination of soils is wide spread and concerns have been raised over the potential risks to humans, animals, and agricultural crops. Toxic metals are readily accumulated in some plants and may pose a threat to humans and grazing animals. The discovery of metal‐hyperaccumulating plants (i.e., metallophytes) has led to phytoremediation, a soil cleanup technology consisting of using metallophytes to remove metals from contaminated soils. Our study concerns the development of a test, hereafter called MetPLANT, for assessing metal accumulation or hyperaccumulation in plants growing on contaminated soils. MetPLANT consists of extracting metals from the plant followed by the determination of heavy metal toxicity, using MetPAD™. The toxicity tests were run concurrently with chemical analysis of metals in plants and extracts. The test was used to assess metal contamination of plants growing in a raw wastewater application site located in Marrakech, Morocco, and in metal‐contaminated sites (mining areas and industrially contaminated soils) located in France and Albania. It was observed that zinc (up to 17,691 mg/kg) and nickel (up to 12,625 mg/kg) were the metals most accumulated in the plants. The general trend observed was an increase in metal toxicity as the total metal content of the plants or the metal content of the plant extracts increased. This simple test can be used to rapidly assess metal accumulation in plants and could be useful in phytoremediation sites for determining the potential of plants to remediate metal‐contaminated soils. © 2000 John Wiley & Sons, Inc. Environ Toxicol 15: 449–455, 2000

Url:

https://api.istex.fr/document/01483595356FDE875C59C2FA066EE99E3010FC24/fulltext/pdf

DOI: 10.1002/1522-7278(2000)15:5<449::AID-TOX13>3.0.CO;2-C

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">Heavy metal contamination of soils is wide spread and concerns have been raised over the potential risks to humans, animals, and agricultural crops. Toxic metals are readily accumulated in some plants and may pose a threat to humans and grazing animals. The discovery of metal‐hyperaccumulating plants (i.e., metallophytes) has led to phytoremediation, a soil cleanup technology consisting of using metallophytes to remove metals from contaminated soils. Our study concerns the development of a test, hereafter called MetPLANT, for assessing metal accumulation or hyperaccumulation in plants growing on contaminated soils. MetPLANT consists of extracting metals from the plant followed by the determination of heavy metal toxicity, using MetPAD™. The toxicity tests were run concurrently with chemical analysis of metals in plants and extracts. The test was used to assess metal contamination of plants growing in a raw wastewater application site located in Marrakech, Morocco, and in metal‐contaminated sites (mining areas and industrially contaminated soils) located in France and Albania. It was observed that zinc (up to 17,691 mg/kg) and nickel (up to 12,625 mg/kg) were the metals most accumulated in the plants. The general trend observed was an increase in metal toxicity as the total metal content of the plants or the metal content of the plant extracts increased. This simple test can be used to rapidly assess metal accumulation in plants and could be useful in phytoremediation sites for determining the potential of plants to remediate metal‐contaminated soils. © 2000 John Wiley & Sons, Inc. Environ Toxicol 15: 449–455, 2000</div>
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Serveur d'exploration sur le nickel au Maghreb

Assessment of metal accumulation in plants using MetPAD, a toxicity test specific for heavy metal toxicity

Assessment of metal accumulation in plants using MetPAD, a toxicity test specific for heavy metal toxicity

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur le nickel au Maghreb
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